Totangkam is an important festival celebrated by the Anal Tribe. According to their traditions, the Totangkam festival is the biggest most honorable and the most expensive celebration in the land. It is normally celebrated during the month of April. Anals observe certain rituals before celebrating this festival. This festival is closely associated with erection of stone megalithic structures. In course of the festival, they erect megaliths of different sizes. These megalithic structures reflect the rich cultural heritage, social and religious rituals practiced by the villagers during the festival.